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Finding the Fourth Proportional to 30,398.52, 45,604.80 and 9,622.02

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Solution

The fourth proportional to 30,398.52, 45,604.80 and 9,622.02 is: 14,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.52 : 45,604.80 = 9,622.02 : x
  2. Step 2: Convert to fraction form
    30,398.52/45,604.80 = 9,622.02/x
  3. Step 3: Cross multiply
    30,398.52x = 45,604.80 × 9,622.02
  4. Step 4: Simplify right side
    30,398.52x = 438,810,297.70
  5. Step 5: Solve for x
    x = 438,810,297.70/30,398.52
  6. Step 6: Final answer
    x = 14,435.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.